Estimates of genetic parameters with selection within and between half-sib families of Jatropha curcas L.
Autor(a) principal: | |
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Data de Publicação: | 2015 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) |
Texto Completo: | http://www.alice.cnptia.embrapa.br/alice/handle/doc/1034446 |
Resumo: | Jatropha curcas L., the most promising oilseed plant for biodiesel and biokerosene, is in the process of domestication, and the economic, social and environmental viability of the crop depends on increasing its yield performance. Low seed yield is due, above all, to planting of non-improved cultivars. We evaluated 16 half-sib families in the 2nd, 3rd and 4th years after planting. The components evaluated were seed yield, number of trusses per plant, number of fruits per truss, fruit maturation rate, plant height and canopy diameter. We also estimated the genetic parameters of these components with a view toward quantifying genetic gain from plant selection. The main seed yield components exhibited predominant genetic control. Nevertheless, the environmental effect was the main determinant of uniformity in fruit maturation. Thus, management strategies have greater potential for having an impact on concentration of fruit production of this oilseed plant. Genetic gains related to seed yield in the cropping of genotypes selected in the 2nd, 3rd, and 4th years were 33.3%, 41.6% and 56.7%, respectively. The development of new genotypes should furthermore consider strategies for generation of variability using crosses between divergent plants with better agronomic characteristics. |
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Estimates of genetic parameters with selection within and between half-sib families of Jatropha curcas L.Physic nutGains from selectionGenetic parametersPinhão mansoParâmetros genéticosProdução de Sementesseed yieldJatropha curcas L., the most promising oilseed plant for biodiesel and biokerosene, is in the process of domestication, and the economic, social and environmental viability of the crop depends on increasing its yield performance. Low seed yield is due, above all, to planting of non-improved cultivars. We evaluated 16 half-sib families in the 2nd, 3rd and 4th years after planting. The components evaluated were seed yield, number of trusses per plant, number of fruits per truss, fruit maturation rate, plant height and canopy diameter. We also estimated the genetic parameters of these components with a view toward quantifying genetic gain from plant selection. The main seed yield components exhibited predominant genetic control. Nevertheless, the environmental effect was the main determinant of uniformity in fruit maturation. Thus, management strategies have greater potential for having an impact on concentration of fruit production of this oilseed plant. Genetic gains related to seed yield in the cropping of genotypes selected in the 2nd, 3rd, and 4th years were 33.3%, 41.6% and 56.7%, respectively. The development of new genotypes should furthermore consider strategies for generation of variability using crosses between divergent plants with better agronomic characteristics.Victor M. Spinelli, Universidade Federal de Viçosa; Luiz Antonio S. Dias, Universidade Federal de Viçosa; RODRIGO BARROS ROCHA, CPAF-RO; Marcos Deon V. Resende, Universidade Federal de Viçosa.SPINELLI, V. M.DIAS, L. A. S.ROCHA, R. B.RESENDE, M. D. V.2021-11-10T19:03:08Z2021-11-10T19:03:08Z2016-01-192015info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleIndustrial Crops and Products, v. 69, p. 355?361, 2015.http://www.alice.cnptia.embrapa.br/alice/handle/doc/1034446enginfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPA2021-11-10T19:03:15Zoai:www.alice.cnptia.embrapa.br:doc/1034446Repositório InstitucionalPUBhttps://www.alice.cnptia.embrapa.br/oai/requestopendoar:21542021-11-10T19:03:15falseRepositório InstitucionalPUBhttps://www.alice.cnptia.embrapa.br/oai/requestcg-riaa@embrapa.bropendoar:21542021-11-10T19:03:15Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false |
dc.title.none.fl_str_mv |
Estimates of genetic parameters with selection within and between half-sib families of Jatropha curcas L. |
title |
Estimates of genetic parameters with selection within and between half-sib families of Jatropha curcas L. |
spellingShingle |
Estimates of genetic parameters with selection within and between half-sib families of Jatropha curcas L. SPINELLI, V. M. Physic nut Gains from selection Genetic parameters Pinhão manso Parâmetros genéticos Produção de Sementes seed yield |
title_short |
Estimates of genetic parameters with selection within and between half-sib families of Jatropha curcas L. |
title_full |
Estimates of genetic parameters with selection within and between half-sib families of Jatropha curcas L. |
title_fullStr |
Estimates of genetic parameters with selection within and between half-sib families of Jatropha curcas L. |
title_full_unstemmed |
Estimates of genetic parameters with selection within and between half-sib families of Jatropha curcas L. |
title_sort |
Estimates of genetic parameters with selection within and between half-sib families of Jatropha curcas L. |
author |
SPINELLI, V. M. |
author_facet |
SPINELLI, V. M. DIAS, L. A. S. ROCHA, R. B. RESENDE, M. D. V. |
author_role |
author |
author2 |
DIAS, L. A. S. ROCHA, R. B. RESENDE, M. D. V. |
author2_role |
author author author |
dc.contributor.none.fl_str_mv |
Victor M. Spinelli, Universidade Federal de Viçosa; Luiz Antonio S. Dias, Universidade Federal de Viçosa; RODRIGO BARROS ROCHA, CPAF-RO; Marcos Deon V. Resende, Universidade Federal de Viçosa. |
dc.contributor.author.fl_str_mv |
SPINELLI, V. M. DIAS, L. A. S. ROCHA, R. B. RESENDE, M. D. V. |
dc.subject.por.fl_str_mv |
Physic nut Gains from selection Genetic parameters Pinhão manso Parâmetros genéticos Produção de Sementes seed yield |
topic |
Physic nut Gains from selection Genetic parameters Pinhão manso Parâmetros genéticos Produção de Sementes seed yield |
description |
Jatropha curcas L., the most promising oilseed plant for biodiesel and biokerosene, is in the process of domestication, and the economic, social and environmental viability of the crop depends on increasing its yield performance. Low seed yield is due, above all, to planting of non-improved cultivars. We evaluated 16 half-sib families in the 2nd, 3rd and 4th years after planting. The components evaluated were seed yield, number of trusses per plant, number of fruits per truss, fruit maturation rate, plant height and canopy diameter. We also estimated the genetic parameters of these components with a view toward quantifying genetic gain from plant selection. The main seed yield components exhibited predominant genetic control. Nevertheless, the environmental effect was the main determinant of uniformity in fruit maturation. Thus, management strategies have greater potential for having an impact on concentration of fruit production of this oilseed plant. Genetic gains related to seed yield in the cropping of genotypes selected in the 2nd, 3rd, and 4th years were 33.3%, 41.6% and 56.7%, respectively. The development of new genotypes should furthermore consider strategies for generation of variability using crosses between divergent plants with better agronomic characteristics. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015 2016-01-19 2021-11-10T19:03:08Z 2021-11-10T19:03:08Z |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/publishedVersion info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
Industrial Crops and Products, v. 69, p. 355?361, 2015. http://www.alice.cnptia.embrapa.br/alice/handle/doc/1034446 |
identifier_str_mv |
Industrial Crops and Products, v. 69, p. 355?361, 2015. |
url |
http://www.alice.cnptia.embrapa.br/alice/handle/doc/1034446 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa) instacron:EMBRAPA |
instname_str |
Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
instacron_str |
EMBRAPA |
institution |
EMBRAPA |
reponame_str |
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) |
collection |
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) |
repository.name.fl_str_mv |
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
repository.mail.fl_str_mv |
cg-riaa@embrapa.br |
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1794503511873945600 |